okay my demon was shooting good velocity but when you tried to shoot the gun more than about 8 balls per second it would start half cycling and dropping balls out of the barrel instead of shooting them. now it just half cycles every time. I have adjusted the dwell, fsdo, lubed the dtive train and replaced the 019 oring which would cause that problem but it still does it. If you think you might know what it is please help, pm me or just post it below. Thanks guys and gals!!!